package com.atguigu.process.controller;


import com.atguigu.common.result.Result;
import com.atguigu.model.process.ProcessTemplate;
import com.atguigu.process.service.OaProcessService;
import com.atguigu.process.service.OaProcessTemplateService;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import io.swagger.annotations.ApiOperation;
import org.apache.ibatis.jdbc.Null;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.ResourceUtils;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import java.util.Objects;

/**
 * <p>
 * 审批模板 前端控制器
 * </p>
 *
 * @author atguigu
 * @since 2023-04-20
 */
@RestController
@RequestMapping("/admin/process/processTemplate")
public class OaProcessTemplateController {

    @Autowired
    private OaProcessTemplateService processTemplateService;

    @ApiOperation(value = "获取分页审批模板数据")
    @GetMapping("{page}/{limit}")
    public Result<IPage<ProcessTemplate>> index(@PathVariable Long page, @PathVariable Long limit) {
        IPage<ProcessTemplate> pageParam = new Page<>(page, limit);
        // 分页查询审批功能，把审批类型对应名称查询
        IPage<ProcessTemplate> pageModel = processTemplateService.selectPageProcessTemplate(pageParam);
        return Result.ok(pageModel);
    }

    //@PreAuthorize("hasAuthority('bnt.processTemplate.list')")
    @ApiOperation(value = "获取")
    @GetMapping("get/{id}")
    public Result<ProcessTemplate> get(@PathVariable Long id) {
        ProcessTemplate processTemplate = processTemplateService.getById(id);
        return Result.ok(processTemplate);
    }

    //@PreAuthorize("hasAuthority('bnt.processTemplate.templateSet')")
    @ApiOperation(value = "新增")
    @PostMapping("save")
    public Result<Null> save(@RequestBody ProcessTemplate processTemplate) {
        processTemplateService.save(processTemplate);
        return Result.ok();
    }

    //@PreAuthorize("hasAuthority('bnt.processTemplate.templateSet')")
    @ApiOperation(value = "修改")
    @PutMapping("update")
    public Result<Null> updateById(@RequestBody ProcessTemplate processTemplate) {
        processTemplateService.updateById(processTemplate);
        return Result.ok();
    }

    //@PreAuthorize("hasAuthority('bnt.processTemplate.remove')")
    @ApiOperation(value = "删除")
    @DeleteMapping("remove/{id}")
    public Result<Null> remove(@PathVariable Long id) {
        processTemplateService.removeById(id);
        return Result.ok();
    }

    @ApiOperation(value = "上传流程定义")
    @PostMapping("/uploadProcessDefinition")
    public Result<Object> uploadProcessDefinition(MultipartFile file) throws FileNotFoundException {
        // 获取 classes 目录位置
        String path = new File(ResourceUtils.getURL("classpath:").getPath()).getAbsolutePath();
        // 设置上传文件夹
        File tempFile = new File(path + "/processes/");
        if (!tempFile.exists()) {
            boolean success = tempFile.mkdirs();
            if (success) {
                // 创建空文件，实现文件写入
                String filename = file.getOriginalFilename();
                File zipFile = new File(path + "/processes/" + filename);

                // 保存文件
                try {
                    file.transferTo(zipFile);
                } catch (IOException e) {
                    return Result.fail();
                }
                Map<String, Object> map = new HashMap<>(2);
                // 根据上传地址后续部署流程定义，文件名称为流程定义的默认key
                map.put("processDefinitionPath", "processes/" + filename);
                map.put("processDefinitionKey", Objects.requireNonNull(filename).substring(0, filename.lastIndexOf(".")));
                return Result.ok(map);
            }
        }
        return Result.fail();
    }

    // 部署流程定义（发布）
    @ApiOperation(value = "发布")
    @GetMapping("/publish/{id}")
    @Transactional
    public Result<Null> publish(@PathVariable Long id) {
        // 修改模板发布状态 1 已发布
        processTemplateService.publish(id);
        return Result.ok();
    }
}

